author | stuefe |
Tue, 29 Oct 2019 12:10:57 +0100 | |
branch | stuefe-new-metaspace-branch |
changeset 58840 | 7678903a348f |
parent 58063 | bdf136b8ae0e |
permissions | -rw-r--r-- |
58063
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/* |
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* Copyright (c) 2018, 2019 SAP and/or its affiliates. |
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* Copyright (c) 2018, 2019 Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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* |
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*/ |
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|
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#ifndef SHARE_MEMORY_METASPACE_METASPACEREPORT_HPP |
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#define SHARE_MEMORY_METASPACE_METASPACEREPORT_HPP |
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|
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#include "memory/allocation.hpp" |
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namespace metaspace { |
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class MetaspaceReporter : public AllStatic { |
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public: |
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|
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// Flags for print_report(). |
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enum ReportFlag { |
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// Show usage by class loader. |
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rf_show_loaders = (1 << 0), |
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// Breaks report down by chunk type (small, medium, ...). |
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rf_break_down_by_chunktype = (1 << 1), |
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// Breaks report down by space type (anonymous, reflection, ...). |
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rf_break_down_by_spacetype = (1 << 2), |
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// Print details about the underlying virtual spaces. |
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rf_show_vslist = (1 << 3), |
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// Print metaspace map. |
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rf_show_vsmap = (1 << 4), |
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// If show_loaders: show loaded classes for each loader. |
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rf_show_classes = (1 << 5) |
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}; |
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// This will print out a basic metaspace usage report but |
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// unlike print_report() is guaranteed not to lock or to walk the CLDG. |
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static void print_basic_report(outputStream* st, size_t scale); |
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// Prints a report about the current metaspace state. |
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// Optional parts can be enabled via flags. |
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// Function will walk the CLDG and will lock the expand lock; if that is not |
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// convenient, use print_basic_report() instead. |
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static void print_report(outputStream* out, size_t scale = 0, int flags = 0); |
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}; |
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} // namespace metaspace |
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#endif // SHARE_MEMORY_METASPACE_METASPACEREPORT_HPP |